Cultivator



May 27, 1930; s, KIDD 7 1,759,854

I CULTIVATOR Filed April 5, 1928 2 Sheets-Sheet 1 g a 2 h a 0 Inventor Jamaal. Lawns Kmu A bun-n9.

Y/IIIIIIIIIIIIIIIIIHlHIlIIIIlIlII/IIIHI/ 1 mm "lhcinvention relates toilnprovements in Patented 3 nwrs me or Is'ro w L, oN'reitmcANhnA 4 c LmvAroR ('ultivators-as described in the presentv specification and shown in the accompanying drawings which form part "of c-th' e'isame.

1 v The invention 'hasiifor itsfgeneralfobject to wtifvator," onegwhich is. not; only 10f general utility but alsozissadapted for; sowing seeds.

-Forthis purpose itvis equip.ped ;with-ia seed tube for discharging; seeds: te -the rear of the A yer-y salientwfeature ofthe invention res sides in thenovel construction anfd arrange Q c Figure 5 is aside elevationof oneio f a pair I iuent: of safety tripping mechanism, other distinctive features of theimplement will ap pear as the descriptionproc'eeds "Referring to the "drawings, Eigurefl is a side: elevation of the invention. Figure2 thereof.

Figure 3 is a seem-releas s lag-3+3 V -thereof,

1'; Figu 6A is a vertical'sectiontalren on the i H'thereo t; V

of cultivator'teeth.

Figure 6 is a front view thereof.

I Figure 7 is a sidevelevation of a large shoe c 1 :iFigure 8 isa section taken on the line 8 8 -Qofthis shoe. f a v I a Figure 9 is a plan viewbf a 'tooth'ca'rried' by'this shoe. g

Figure 10 is a plan-viewiofi aslightlyinoditi on'ed and theirsupportingielenients.

' which is straddled by the teeth just menfied form of tooth that replaces thatshown I in Figure 9 for t quack grass. 4

Figurell is a cross section thereof taken i Like numeralsofreference indicate cor- 1 responding parts m each of; the figures throughout the drawi'n'gs .lj.

In thedraw ings, the reference numeral 15- generally denotes the usual frame, ofywhich there-are a complementi for; carrying the teeth! This frame is swivelled at'its "frontal extremity '16 tothe wheeled irame' of-the "In thepresent instance comais a section taken onjthe line 2+2 he purpose of externlinating' "d h pplication f led April 5, j19 28.l Serial 1%.; 267,621,

posed ofxa' pair of spaced ineinbers: 1:7,v

mam- H 7 pi t fl ounted atQito thelower end of thehanger rolling coulter' 25, w hich i coulteris forwardly attached by theYspaced bars 26, 27,, one on each sidethereof. The V I frontal ends: ofthese bars are prolonged in this purpose. g The ooulter is heldiin a working position; by a safety trip device colnprisingl arms.30f

'swivellyattached to theicoulter axle and {di-"fv 1 rected upwardly 'therefroln past the pea ripheryof the coulter. Holes 3larepro-yi vided' in the, distal portion for selectivepiw otingtoan end of the bent lever 33-.that is V niv t y pported mediallyof itsj length by abracket; 34einthe frame 15. The other "advance of the rotaryrcoulte'r in order to carry an'in clined guard 28that diverts trash and the like to; one side. 7 I scraped by a scraper 29 turned inwardly afor' F The col lter is end is yieldably' held against a st-opro35 means of as'ubstantial spring 36. Oneen'd .of the spring is connectedto the frame 15,

whiletheother end is supplied with aroller 7 fitted e wee w mes-se. ,Thelfollerpresses against the lever {and normally "abuts" the stop'39 at its outer end, the spring, and

lever being so dispo'sed that the direction of V pull is perpendicular to the length. of the latter;

. By thisconstruction; upon therotary coul- .f j i ter encountering an obstruetiongsuchflas a s on thesp g yie d Permitting th m1- .tertoe-rise, this upward movement resulting in the lever assuming an acute angle to the spring; consequently the roller moves 1 to? wards the fulcrum point of the leverand thus ,7 decreases the purchase makingit muoheasier v 1 for-the coulter to ride over the obstruction, F

e0 designatesashoe thatfollows in f-the ;%1' I Juli 7 channel cut by the ooulter. Saidshoe consists; 

